class_docstr: ctc tensorflow decode util unittest
docstr: ctc tensorflow beam search unittest
docstr_tok: ["ctc","tensorflow","beam","search","unittest"]
code: def test_ctc_beam_search_decode(self):
      """ctc tensorflow beam search unittest"""
  
      with self.cached_session():
          decode_result, _ = tf_ctc.ctc_beam_search_decode(
              tf.constant(self.logits),
              tf.constant(self.sequence_lens),
              beam_width=1,
              top_paths=1,
          )
          self.assertAllEqual(decode_result[0].eval(), [[1], [1]])
  
file_path: delta/delta/utils/decode/tf_ctc_test.py
imports: import numpy
  import delta.compat
  from delta.utils.decode import tf_ctc
label_desc: Use image node_id 5 for calling the DecodeUtilTest obj's underlying member method code with example usage: obj.test_ctc_beam_search_decode() without return types